NPPES file of Aug 9, 2026

Christopher Fleming, MD

Radiation Oncology Physician · Sacramento, CA

Christopher Fleming, MD is a radiation oncology physician with a practice address in Sacramento, California, and NPI 1245684158, issued on Apr 17, 2016. Check the license (California C207288, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1245684158
Name
Christopher Fleming
Credential
MD
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License number
C207288 CA
Self-reported in NPPES; status is on the state search
Practice location
3301 C St Ste 550, Sacramento, CA 95816
Phone
(916) 556-3131
Enumerated
Apr 17, 2016
Record last updated
Apr 27, 2026
Fax
(916) 961-9016
Medicare enrollment
Enrolled (PECOS I20260506000792); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 3301 C St Ste 550

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Angelica Crammond, PA-CPhysician Assistant1306496294
  2. Cheng-Wei Jan, CGCGenetic Counselor (M.S.)1669235156
  3. Shelley Kirby, PA-CMedical Physician Assistant1962706341
  4. Melissa Lemieux, M.D.Radiation Oncology Physician1710212113
  5. Bailey Loving, MDRadiation Oncology Physician1366064958
  6. Rachel Seeley, PA-CPhysician Assistant1477270585

Verify Christopher Fleming in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C207288
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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14% more Medicare Part D claims than the average radiation oncology physician in 2024

153 Medicare Part D claims for 63 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. 21 claims were for opioids.

  1. Christopher Fleming153
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl73 claims
  2. Oxycodone-Acetaminophen13 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

The MIPS final score for 2023 (Medicare payment program): 89.9 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score75.8
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%100.0
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $36.74

2 payments; by number, the most common kind was food and beverage; the largest payer was Novartis Pharmaceuticals Corporation. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Christopher Fleming$36.74
  2. Specialty average$1,897.85

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Dignity Health Medical FoundationSacramento, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Christopher Fleming among 735 radiation oncology physician records in California

Christopher Fleming, MD is one of 735 radiation oncology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.

  • NPI issued2016 · 84% of these records are older, 13% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated2016 · median 2005 among the 545 with a school on file
  • Record last updated2026 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in California

There are 735 radiation oncology physician records in California.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Ellis Andras, MDSacramento, CA 958161306842299
  2. Garrick Chang, M.D.Sacramento, CA 958161952308041
  3. Carlin Hauck, M.D.Sacramento, CA 958161427495647
  4. Mark Leibenhaut, M.D.Sacramento, CA 958161932108263
  5. Melissa Lemieux, M.D.Sacramento, CA 958161710212113
  6. David Linstadt, M.D.Sacramento, CA 958161265438964
  7. Mark Logsdon, M.D.Sacramento, CA 958161669479853
  8. Hubert Pan, MDSacramento, CA 958161699017368

Common questions

What is Christopher Fleming, MD's NPI number?

Christopher Fleming, MD's National Provider Identifier (NPI) is 1245684158, issued on Apr 17, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Christopher Fleming, MD located?

The NPPES record lists a practice address at 3301 C St Ste 550, Sacramento, CA, 95816. Phone: (916) 556-3131. Providers update this record themselves, so call before visiting.

How can I verify Christopher Fleming, MD's license?

NPPES lists California license number C207288, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Christopher Fleming, MD prescribe under Medicare Part D?

In 2024, Christopher Fleming, MD had 153 Medicare Part D claims for 63 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Christopher Fleming, MD's MIPS final score?

The 2023 MIPS final score is 89.9 of 100. The average among 454,083 clinicians with a measured score was 83.5.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.